@misc{indiciae2840310a75e2,
  title = {Chronic daily headache: a time perspective.},
  author = {E L Spierings and A H Ranke and M Schroevers and P C Honkoop},
  year = {2000},
  doi = {10.1046/j.1526-4610.2000.00045.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10759935/},
  note = {Source identifier: 10759935}
}